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3 years ago

What kinds of plants were transformed into coal? bryophytes gymnosperms ferns and their relatives angiosperms?

1 answer:

3 0

<span>Some of the plants that made up coal were various ferns, and trees that no longer exist, like the lepidodendron, which was a scaly trunk with no limbs. Calamites, which are similar to the horsetail plant seen today. Seed ferns and glossopterids, also now extinct, were a basis for coal composition.</span>

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How could one determine if two<br> unidentified organisms share a common<br> ancestor?

Neko [114]

Answer:

Evolutionists determine that two organisms have a common ancestor is by looking at fossil evidence in different rock layers using the law of Superposition (Oldest layers are on the bottom, newest are on the top) and compare the skulls or other bones to each other in order of oldest to newest (or newest to oldest). Another way to determine this is to examine the amount of DNA a certain species shares with another species. An example of this would be that Humans share roughly 90% of our DNA with chimpanzees or the other Great Apes.

Explanation:

DNA

They can look at the DNA it's the most common one.

There are 4 pieces of evolution and they are

Fossils , Geography , Embryos / DNA , Anatomy

Fossils: Physical remains of species , Determine age, location, environment

Deeper layers = older

Geography: Proves species share common ancestors, depending on where

they live

DNA: BEST evidence because it’s the MOST ACCURATE

Similarities in the early stages of development

Similarities in DNA

More similarities = closely related

More differences = not related

Anatomy: Compare body parts of different species to see how they evolved

3 different structures:

Homologous (same structure, different function)

Analogous (similar structure, different organisms)

Vestigial (body parts that no longer serve a purpose)

All of that are in evolution

Hope it helped! ( Gave u my biology notes :D)

4 0

3 years ago

Which organelle is the powerhouse of the cell the site of cellular respiration

nikdorinn [45]

It is the Mitochondria

5 0

3 years ago

If I turn off all molecules expect for protein and amino acids what do I observe

Mariulka [41]

Answer:

hidhyrydhrshrzhrshrsurshrshrzhrdhrzhrs

7 0

3 years ago

Energy as it transfers from one consumer to the next.

Reptile [31]

Answer:

pyramid of energy

Explanation:

An energy pyramid is a graphical flow in a community.The different levels represents different groups of organisms that might compose a food chain, from the bottom to the top.

4 0

3 years ago

The cellular component responsible for transmission of traits and control of cell function was long assumed to be proteins. Disc

timurjin [86]

The traits of a living thing depend on the complex mixture of interacting components inside it. Proteins do much of the chemical work inside cells, so they largely determine what those traits are. But those proteins owe their existence to the DNA (deoxyribonucleic acid), so that is where we must look for the answer.
The easiest way to understand how DNA is organized is to start with its basic building blocks. DNA consists of four different sugars that interact with each other in specific ways. These four sugars are called nucleotide bases and have the names adenine (A), thymine (T), cytosine (C) and guanine (G). Think of these four bases as letters in an alphabet, the alphabet of life!

5 0

3 years ago